High frequency trading now makes up 2/3rds of all trading in the markets, and a lot of experts believe it will be at the center of the next financial crisis. Already, it’s played a role in “flash crashes.” Is it also creating an uneven playing field for the small time investor, and funneling money away from real businesses in favor of speculators? To hear Time’s Rana Foroohar and the NYT Joe Nocera debate the issue, tune into the latest episode of WNYC’s Money Talking.